Home / 159,891,674.36-239,801,253.73-72,395,430.56

Finding the Fourth Proportional to 159,891,674.36, 239,801,253.73 and 72,395,430.56

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Solution

The fourth proportional to 159,891,674.36, 239,801,253.73 and 72,395,430.56 is: 108,576,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891,674.36 : 239,801,253.73 = 72,395,430.56 : x
  2. Step 2: Convert to fraction form
    159,891,674.36/239,801,253.73 = 72,395,430.56/x
  3. Step 3: Cross multiply
    159,891,674.36x = 239,801,253.73 × 72,395,430.56
  4. Step 4: Simplify right side
    159,891,674.36x = 17,360,515,012,611,156
  5. Step 5: Solve for x
    x = 17,360,515,012,611,156/159,891,674.36
  6. Step 6: Final answer
    x = 108,576,729.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.